钢筋冷拉机作业前，应对（）进行检查。
A、设备各连接部位
B、安全装置
C、冷拉夹具
D、钢丝绳
E、电气装置
参考答案：A, B, C, D, E
He would have gone to visit Linda yesterday, however , he _____on by Linda instead.
A．was called
B．called
C．would be called
D．has been called
生殖器疱疹宜用：
A．激光治疗
B．冷冻治疗
C．手术治疗
D．无环鸟苷治疗
E．理疗
